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2 H2 + O2 = 2 H2O
As + H2O = H2AsO4 + AsH3 =>
3 As + 4 H2O = H2AsO4 + 2 AsH3
SnS + H2O2 + OH{-} = SnS3{-2} + SnO3{-2} + H2O =>
3 SnS + 3 H2O2 + 6 OH{-} = SnS3{-2} + 2 SnO3{-2} + 6 H2O
Zn + H2ClO2 = Zn(ClO2)2 + H =>
Zn + 2 H2ClO2 = Zn(ClO2)2 + 4 H
H2C2O4 + Al(HCO3)3 = Al2(C2O4)3 + CO2 + H2O =>
3 H2C2O4 + 2 Al(HCO3)3 = Al2(C2O4)3 + 6 CO2 + 6 H2O
KI + NO2 = KNO2 + I2 =>
2 KI + 2 NO2 = 2 KNO2 + I2
Mn(NO3)2 + (NH4)2C2O4 = MnC2O4 + NH4NO3 =>
Mn(NO3)2 + (NH4)2C2O4 = MnC2O4 + 2 NH4NO3
(CH2(CH2)2CH3) + O2 = CO2 + H2O =>
4(CH2(CH2)2CH3) + 25 O2 = 16 CO2 + 18 H2O
NaS + Cl2 = NaCl2 + S =>
NaS + Cl2 = NaCl2 + S
Zn(NO3)2 + Na3PO4 = ZnPO4 + Na3(NO3)2 =>
Zn(NO3)2 + Na3PO4 = ZnPO4 + Na3(NO3)2
Al2(SO4)3 + Na2SiO3 + H2O = Al(OH)3 + H2SiO3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SiO3 + 6 H2O = 2 Al(OH)3 + 3 H2SiO3 + 3 Na2SO4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CrCl3 + ClO{-} + H2O = Cr2O7{-2} + Cl{-} + H{+} =>
2 CrCl3 + 3 ClO{-} + 4 H2O = Cr2O7{-2} + 9 Cl{-} + 8 H{+}
HCl + O3 = H2O + Cl2 =>
6 HCl + O3 = 3 H2O + 3 Cl2
CuO + NaHSO3 = CuSO3 + H2O + Na2SO3 =>
CuO + 2 NaHSO3 = CuSO3 + H2O + Na2SO3
PbI2 + Cl2 = PbCl2 + I2 =>
PbI2 + Cl2 = PbCl2 + I2
H20O + CO2 = C6H12O6 + O2 =>
6 H20O + 60 CO2 = 10 C6H12O6 + 33 O2
Pb + NaNO3 = Pb(NO3)2 + Na =>
Pb + 2 NaNO3 = Pb(NO3)2 + 2 Na
H2O + HBr = BrO + H2 =>
2 H2O + 2 HBr = 2 BrO + 3 H2
AgNO3 + Pb(NO3)2 = Ag(NO3)2 + NO3Pb =>
AgNO3 + Pb(NO3)2 = Ag(NO3)2 + NO3Pb
MnCl2 + KNO3 = KCl + Mn(NO3)2 =>
MnCl2 + 2 KNO3 = 2 KCl + Mn(NO3)2
NaOH + SiO2 = H2O + Na2SiO3 =>
2 NaOH + SiO2 = H2O + Na2SiO3
Mn3O4 + KClO3 + K2CO3 = KMnO4 + KCl + CO2 =>
6 Mn3O4 + 13 KClO3 + 9 K2CO3 = 18 KMnO4 + 13 KCl + 9 CO2
ZnO + KOH = K2ZnO2 + H2O =>
ZnO + 2 KOH = K2ZnO2 + H2O
Cu + AgNo2 = Cu(No3)2 + Ag =>
Cu + 3 AgNo2 = Cu(No3)2 + 3 Ag
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Fe2(NO3)3 + Na2SO4 = Fe2(SO4)3 + Na2NO3 =>
Fe2(NO3)3 + 3 Na2SO4 = Fe2(SO4)3 + 3 Na2NO3
MgBr2 + H2SO4 = MgSO4 + Br2 + H2O + SO2 =>
MgBr2 + 2 H2SO4 = MgSO4 + Br2 + 2 H2O + SO2
CUNO3 = CU + NO3 =>
CUNO3 = CU + NO3
NaCl + NaClO3 + H2SO4 = Cl2 + Na2SO4 + H2O =>
5 NaCl + NaClO3 + 3 H2SO4 = 3 Cl2 + 3 Na2SO4 + 3 H2O
MgN + H2O = MgNH2O =>
MgN + H2O = MgNH2O
Zr + HCl = ZrCl4 + H2 =>
Zr + 4 HCl = ZrCl4 + 2 H2
Ca(NO3)2*4H2O + Na3PO4*12H2O = NaNO3 + Ca3(PO4)2 + H2O =>
3 Ca(NO3)2*4H2O + 2 Na3PO4*12H2O = 6 NaNO3 + Ca3(PO4)2 + 36 H2O
S2O3 + H2O = SO3 + H =>
S2O3 + 3 H2O = 2 SO3 + 6 H
C6H5CHO + C2H5NH2 + CH3OH = C6H6CH2CHNHCH3CH3 + H2O =>
7 C6H5CHO + 10 C2H5NH2 + 31 CH3OH = 10 C6H6CH2CHNHCH3CH3 + 38 H2O
C4H6O2 + H2 = C4H8O + H2O =>
C4H6O2 + 2 H2 = C4H8O + H2O
I2 + S2O3Na2 = S2O3 + NaI =>
I2 + S2O3Na2 = S2O3 + 2 NaI
Cr + SiO3 = Cr(SiO3)3 =>
Cr + 3 SiO3 = Cr(SiO3)3
Mg + NaOH = Na + Mg(OH)2 =>
Mg + 2 NaOH = 2 Na + Mg(OH)2
H20O + CO2 = C6H12O6 + O2 =>
6 H20O + 60 CO2 = 10 C6H12O6 + 33 O2
NaNO2 + NaOH + HCl + H2O = NaClO2 + NH3 =>
2 NaNO2 + NaOH + 3 HCl + H2O = 3 NaClO2 + 2 NH3
HCOOH + Na2S = H2S + COOHNa =>
2 HCOOH + Na2S = H2S + 2 COOHNa
Cr2O7 + Ba(OH)2 = Ba(CrO4)2 + H2O =>
Cr2O7 + Ba(OH)2 = Ba(CrO4)2 + H2O
KO3 + KBr + H2SO4 = K2SO4 + Br2 + H2O =>
2 KO3 + 10 KBr + 6 H2SO4 = 6 K2SO4 + 5 Br2 + 6 H2O
Na2O3Si + HCl = NaCl + H2SiO3 =>
Na2O3Si + 2 HCl = 2 NaCl + H2SiO3
Mg + HCl = MgCl2 + H22 =>
11 Mg + 22 HCl = 11 MgCl2 + H22
Cu(OH)2 + HJ = CuJ2 + H2O =>
Cu(OH)2 + 2 HJ = CuJ2 + 2 H2O
Na2C2O4 + K2Cr2O7 + HCl = NaCl + Cr2O3 + KCl + CO2 + H2O =>
3 Na2C2O4 + K2Cr2O7 + 8 HCl = 6 NaCl + Cr2O3 + 2 KCl + 6 CO2 + 4 H2O
ZnCuS = ZnSCu =>
ZnCuS = ZnSCu
C6H5OH + NO3 = N2 + CO2 + H2O =>
3 C6H5OH + 14 NO3 = 7 N2 + 18 CO2 + 9 H2O
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